4185413 has 2 divisors, whose sum is σ = 4185414. Its totient is φ = 4185412.

The previous prime is 4185409. The next prime is 4185431. The reversal of 4185413 is 3145814.

Together with next prime (4185431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3833764 + 351649 = 1958^2 + 593^2 .

It is a cyclic number.

It is not a de Polignac number, because 4185413 - 2² = 4185409 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4185473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2092706 + 2092707.

It is an arithmetic number, because the mean of its divisors is an integer number (2092707).

Almost surely, 2^4185413 is an apocalyptic number.

It is an amenable number.

4185413 is a deficient number, since it is larger than the sum of its proper divisors (1).

4185413 is an equidigital number, since it uses as much as digits as its factorization.

4185413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1920, while the sum is 26.

The square root of 4185413 is about 2045.8281941551. The cubic root of 4185413 is about 161.1558615637.

The spelling of 4185413 in words is "four million, one hundred eighty-five thousand, four hundred thirteen".